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All results from a given calculation for NH2CONHC2H5 (Urea, ethyl-)

using model chemistry: HF/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/6-31G*
 hartrees
Energy at 0K-302.048489
Energy at 298.15K-302.059285
HF Energy-302.048489
Nuclear repulsion energy245.938491
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at HF/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3940 3540 41.72      
2 A 3861 3469 37.87      
3 A 3826 3438 38.62      
4 A 3287 2953 40.60      
5 A 3276 2944 55.59      
6 A 3227 2899 35.39      
7 A 3210 2884 18.82      
8 A 3199 2875 50.06      
9 A 1976 1775 644.85      
10 A 1808 1625 171.92      
11 A 1683 1512 4.10      
12 A 1650 1482 2.09      
13 A 1639 1472 5.50      
14 A 1628 1463 27.05      
15 A 1570 1411 61.25      
16 A 1565 1406 263.94      
17 A 1505 1353 35.61      
18 A 1427 1282 4.98      
19 A 1308 1175 19.32      
20 A 1275 1146 3.97      
21 A 1239 1113 45.59      
22 A 1162 1044 12.71      
23 A 1064 956 3.02      
24 A 974 875 2.90      
25 A 893 802 15.73      
26 A 874 785 105.44      
27 A 654 587 66.21      
28 A 617 555 47.00      
29 A 598 538 124.60      
30 A 535 481 54.31      
31 A 427 383 135.01      
32 A 388 349 1.38      
33 A 290 261 2.38      
34 A 215 193 3.09      
35 A 117 106 8.01      
36 A 64 58 0.55      

Unscaled Zero Point Vibrational Energy (zpe) 28485.3 cm-1
Scaled (by 0.8985) Zero Point Vibrational Energy (zpe) 25594.0 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at HF/6-31G*
ABC
0.29104 0.06759 0.05632

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.611 -0.214 -0.002
H2 -2.687 -1.018 0.724
H3 -3.421 0.481 0.186
H4 -2.745 -0.634 -0.993
C5 -1.269 0.495 0.108
H6 -1.245 1.311 -0.609
H7 -1.159 0.932 1.097
N8 -0.192 -0.436 -0.176
H9 -0.391 -1.404 -0.058
N10 1.485 1.151 0.037
H11 2.466 1.304 -0.048
H12 0.916 1.822 -0.427
C13 1.140 -0.176 -0.021
O14 1.956 -1.053 0.074

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 N8 H9 N10 H11 H12 C13 O14
C11.08581.08421.08471.52232.13542.15202.43572.51964.31775.29894.09483.75114.6441
H21.08581.75401.76032.16353.04612.50542.71552.45584.75175.70364.72963.98814.6880
H31.08421.75401.75842.15402.46092.48043.37663.57744.95415.94874.58114.61295.5930
H41.08471.76031.75842.16032.48593.05562.68812.64734.70525.63894.44474.03074.8387
C51.52232.16352.15402.16031.08611.08661.45162.09932.83163.82402.61132.50383.5775
H62.13543.04612.46092.48591.08611.74962.08502.89932.81033.75302.22842.87164.0378
H72.15202.50542.48043.05561.08661.74962.10352.71692.85663.81892.72362.78563.8323
N82.43572.71553.37662.68811.45162.08502.10350.99612.31783.17832.52691.36542.2487
H92.51962.45583.57742.64732.09932.89932.71690.99613.17113.93603.50031.96292.3767
N104.31774.75174.95414.70522.83162.81032.85662.31783.17110.99600.99471.37212.2537
H115.29895.70365.94875.63893.82403.75303.81893.17833.93600.99601.67721.98692.4142
H124.09484.72964.58114.44472.61132.22842.72362.52693.50030.99471.67722.05113.0980
C133.75113.98814.61294.03072.50382.87162.78561.36541.96291.37211.98692.05111.2017
O144.64414.68805.59304.83873.57754.03783.83232.24872.37672.25372.41423.09801.2017

picture of Urea, ethyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 108.753 C1 C5 H7 110.022
C1 C5 N8 109.949 H2 C1 H3 107.868
H2 C1 H4 108.400 H2 C1 C5 110.994
H3 C1 H4 108.342 H3 C1 C5 110.330
H4 C1 C5 110.807 C5 N8 H9 116.882
C5 N8 C13 125.421 H6 C5 H7 107.270
H6 C5 N8 109.655 H7 C5 N8 111.124
N8 C13 N10 115.706 N8 C13 O14 122.189
H9 N8 C13 111.487 N10 C13 O14 122.100
H11 N10 H12 114.813 H11 N10 C13 113.116
H12 N10 C13 119.273
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.511      
2 H 0.172      
3 H 0.178      
4 H 0.181      
5 C -0.094      
6 H 0.158      
7 H 0.179      
8 N -0.805      
9 H 0.390      
10 N -0.916      
11 H 0.392      
12 H 0.377      
13 C 0.930      
14 O -0.631      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.216 2.881 -0.641 4.364
CHELPG -3.244 2.873 -0.690 4.388
AIM        
ESP -3.237 2.864 -0.695 4.378


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.649 7.265 -1.892
y 7.265 -35.292 -1.949
z -1.892 -1.949 -37.971
Traceless
 xyz
x -2.018 7.265 -1.892
y 7.265 3.018 -1.949
z -1.892 -1.949 -1.000
Polar
3z2-r2-2.000
x2-y2-3.357
xy7.265
xz-1.892
yz-1.949


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.867 -0.249 0.128
y -0.249 6.742 -0.102
z 0.128 -0.102 4.685


<r2> (average value of r2) Å2
<r2> 200.682
(<r2>)1/2 14.166